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Related Experiment Video

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Non-Invasive Electrical Brain Stimulation Montages for Modulation of Human Motor Function

Non-Invasive Electrical Brain Stimulation Montages for Modulation of Human Motor Function

Published on: February 4, 2016

Neuromodulation: advances in the next five years.

Russell J Andrews¹

¹NASA Ames Research Center (Smart Systems & Nanotechnology), Moffett Field, California, USA. rja@russelljandrews.org

Annals of the New York Academy of Sciences

|July 17, 2010

Summary

Advanced neuromodulation, including closed-loop deep brain stimulation (DBS) and computational analysis, promises more effective treatments for neurological and mood disorders by unlearning abnormal brain activity with reduced side effects.

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Area of Science:

Neuroscience
Biomedical Engineering
Computational Biology

Background:

Deep brain stimulation (DBS) is an established treatment for movement disorders and is being investigated for epilepsy, headache, and mood disorders.
Current DBS techniques face limitations in precision and side effect profiles.
Advancements in neuromodulation are crucial for expanding therapeutic applications.

Purpose of the Study:

To explore how closed-loop DBS and computational analysis (CA) can significantly advance DBS therapy.
To highlight the potential of these techniques in treating a wider range of brain disorders.
To identify future challenges and research directions for sophisticated DBS.

Main Methods:

Utilizing feedback from brain electrical activity for closed-loop DBS, currently in clinical trials for epilepsy.
Employing computational analysis (electrophysiological modeling) to understand and modulate abnormal brain synchrony.
Leveraging new imaging techniques like diffusion tensor imaging for preoperative surgical planning.

Main Results:

Closed-loop DBS and CA enable desynchronization and 'unkindling' of abnormal brain electrical activity.
DBS with CA may utilize lower frequencies, multiple stimulation sites, and significantly reduced electrical current.
These advanced techniques offer more focused stimulation, fewer side effects, and potential for disorder 'cure'.

Conclusions:

Closed-loop DBS and computational analysis represent the next frontier in advancing DBS technology.
These sophisticated approaches promise more effective and personalized treatments for various brain disorders.
Future research must address neurotransmitter monitoring and minimally invasive multi-electrode implantation for comprehensive neuromodulation.